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KR940007209A - 오스테나이트계 스테인레스 제품의 질화방법 - Google Patents

오스테나이트계 스테인레스 제품의 질화방법 Download PDF

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Publication number
KR940007209A
KR940007209A KR1019930001316A KR930001316A KR940007209A KR 940007209 A KR940007209 A KR 940007209A KR 1019930001316 A KR1019930001316 A KR 1019930001316A KR 930001316 A KR930001316 A KR 930001316A KR 940007209 A KR940007209 A KR 940007209A
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KR
South Korea
Prior art keywords
austenitic stainless
product
nitriding
stainless
austenitic
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KR1019930001316A
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English (en)
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KR100274299B1 (ko
Inventor
마사아키 다하라
하루오 센보쿠야
겐조 기타노
타다시 히야시다
테루오 미나토
Original Assignee
아오키 히로시
다이도 산소 가부시키가이샤
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Publication of KR940007209A publication Critical patent/KR940007209A/ko
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Publication of KR100274299B1 publication Critical patent/KR100274299B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C23C8/26—Nitriding of ferrous surfaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
    • C21D1/76—Adjusting the composition of the atmosphere
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/34—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases more than one element being applied in more than one step
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Heat Treatment Of Articles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Steel In Its Molten State (AREA)

Abstract

본 발명은 오스테나이트계 스테인레스제품의 질화방법에 관한 것으로 오스테나이트계 스테인레스제품을 불소가스분위기 중에 유지해서 그 표면에 불화막을 형성시켜, 계속해서 질화시키기 때문에 생성하는 질화경화층이 치밀하고 균질하게 되어 상기 제품의 표면경도가 대폭으로 향상하게 되며, 또 상기 질화에 즈음해서 450℃이하의 온도에서 처리하기 때문에 오스테나이트계 제품이 본래 가지는 고내식성이 질화에 의해서 손상되지 않고 고내식성을 유지하게 되는것을 특징으로 한다.

Description

오스테나이트계 스테인레스 제품의 질화방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 질화처리에 이용하는 노 구성도,
제2도는 본 발명에 의해 질화처리된 오스테나이트게 스테인레스재의 전류밀도와 전압과의 곡선도,
제3도는 본 발명에 의해 질화처리된 오스테나이트계 스테인레스재의 전류밀도와 전압과의 곡선도,
제4도는 본 발명에 의해 질화처리된 오스테나이트계 스테인레스재의 전류 밀도와 전압과의 곡선도이다.

Claims (6)

  1. 불소계 가스 분위기 하에서,오스테나이트계 스테인레스제품을 가열상태로 유지해, 계속해서 이것을 질화분위기하에 두고 450℃ 이하의 가열상태로 유지해서 오스테나이트계 스테인레스제품의 표면층을 질화층으로 형성하는 것을 특징으로 하는 오스테나이트계 스테인레스제품의 질화방법.
  2. 제1항에 있어서, 오스테나이트계 스테인레스제품의 질화방법에 의해, 오스테나이트계 스테인레스제품의 표면층을 질화층으로 형성한 후 HNO3를 함유하는 혼합강산 용액에 접촉시켜 그 표면을 청정화 하는 것을 특징으로 하는 오스테나이트계 스테인레스제품의 질화방법.
  3. 제1항 또는 제2항에 있어서, 오스테나이트계 스테인레스제품이, 크롬 함유량이 22중량%이상인 오스테나이트계 스테인레스재료를 이용하여 이루어지는 가공제품인 것을 특징으로 하는 오스테나이트계 스테인레스제품의 질화방법.
  4. 제1항 또는 제2항에 있어서, 오스테나이트계 스테인레스제품이 몰리브덴을 1.5중량%이상 포함하는 오스테나이트계 스테인레스재료를 가공한 가공제품인 것을 특징으로 하는 오스테나이트계 스테인레스제품의 질화방법.
  5. 제1항 또는 제2항에 있어서, 오스테나이트계 스테인레스제품이 몰리브덴을 1.5중량%이상 포함하는 크롬을 22중량%이상 포함하는 오스테나이트-펠라이트 이상계 스테인레스재료를 가공한 가공제품인 것을 특징으로 하는 오스테나이트계 스테인레스제품의 질화방법.
  6. 제1항 또는 제2항에 있어서, 오스테나이트계 스테인레스제품이 스테인레스나사류인 것을 특징으로 하는 오스테나이트계 스테인레스제품의 질화방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930001316A 1992-09-16 1993-02-01 오스테나이트계 스테인레스제품의 질화방법 KR100274299B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24675892 1992-09-16
JP92-246758 1992-09-16

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KR940007209A true KR940007209A (ko) 1994-04-26
KR100274299B1 KR100274299B1 (ko) 2000-12-15

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Country Link
US (1) US5376188A (ko)
EP (1) EP0588458B1 (ko)
JP (1) JP3161644B2 (ko)
KR (1) KR100274299B1 (ko)
CN (1) CN1034745C (ko)
AT (1) ATE137536T1 (ko)
DE (1) DE69302454T2 (ko)
DK (1) DK0588458T3 (ko)
ES (1) ES2086877T3 (ko)
TW (1) TW237484B (ko)

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Also Published As

Publication number Publication date
US5376188A (en) 1994-12-27
DE69302454T2 (de) 1996-09-12
JP3161644B2 (ja) 2001-04-25
DK0588458T3 (da) 1996-09-16
ATE137536T1 (de) 1996-05-15
EP0588458A1 (en) 1994-03-23
EP0588458B1 (en) 1996-05-01
ES2086877T3 (es) 1996-07-01
DE69302454D1 (de) 1996-06-05
KR100274299B1 (ko) 2000-12-15
TW237484B (ko) 1995-01-01
JPH06145951A (ja) 1994-05-27
CN1034745C (zh) 1997-04-30
CN1084226A (zh) 1994-03-23

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